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Finding the Fourth Proportional to 454,776.56, 682,164.36 and 155,232.28

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Solution

The fourth proportional to 454,776.56, 682,164.36 and 155,232.28 is: 232,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,776.56 : 682,164.36 = 155,232.28 : x
  2. Step 2: Convert to fraction form
    454,776.56/682,164.36 = 155,232.28/x
  3. Step 3: Cross multiply
    454,776.56x = 682,164.36 × 155,232.28
  4. Step 4: Simplify right side
    454,776.56x = 105,893,928,937.54
  5. Step 5: Solve for x
    x = 105,893,928,937.54/454,776.56
  6. Step 6: Final answer
    x = 232,848.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.